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<head><meta charset="utf-8"><title>where does bootstrap produce diffs? · t-compiler/help · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/182449-t-compiler/help/index.html">t-compiler/help</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/182449-t-compiler/help/topic/where.20does.20bootstrap.20produce.20diffs.3F.html">where does bootstrap produce diffs?</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/182449-t-compiler/help/topic/where%20does%20bootstrap%20produce%20diffs%3F/near/214930280" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Noah Lev <a href="https://rust-lang.github.io/zulip_archive/stream/182449-t-compiler/help/topic/where.20does.20bootstrap.20produce.20diffs.3F.html#214930280">(Oct 29 2020 at 06:22)</a>:</h4>
<p>Could someone point me to the spot where bootstrap produces diffs? E.g. when running UI tests where the output doesn't match:</p>
<div class="codehilite" data-code-language="Diff"><pre><span></span><code><span class="gd">---- [ui] ui/hygiene/no_implicit_prelude.rs stdout ----</span>
<span class="gh">diff of stderr:</span>

<span class="gd">-   error: cannot find macro `panic` in this scope</span>
<span class="gd">-     --&gt; $DIR/no_implicit_prelude.rs:16:9</span>
<span class="gi">+   error: expected item, found `!`</span>
<span class="gi">+     --&gt; $DIR/no_implicit_prelude.rs:1:1</span>
</code></pre></div>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/182449-t-compiler/help/topic/where%20does%20bootstrap%20produce%20diffs%3F/near/214931010" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> bjorn3 <a href="https://rust-lang.github.io/zulip_archive/stream/182449-t-compiler/help/topic/where.20does.20bootstrap.20produce.20diffs.3F.html#214931010">(Oct 29 2020 at 06:40)</a>:</h4>
<p>The test code is in <code>src/tools/compiletest</code>.</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/182449-t-compiler/help/topic/where%20does%20bootstrap%20produce%20diffs%3F/near/214931019" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Noah Lev <a href="https://rust-lang.github.io/zulip_archive/stream/182449-t-compiler/help/topic/where.20does.20bootstrap.20produce.20diffs.3F.html#214931019">(Oct 29 2020 at 06:40)</a>:</h4>
<p>Oh, thanks! Somehow I didn't think to look there</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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